from django.conf import settings
from django.contrib.auth.models import AbstractUser
from django.db import models
from itsdangerous import TimedJSONWebSignatureSerializer as TJS
# Create your models here.
from itsdangerous import BadData

from meiduo_mall.utils.models import BaseModel


class User(AbstractUser):
    """用户模型类"""
    mobile = models.CharField(max_length=11, unique=True, verbose_name='手机号')
    email_active = models.BooleanField(default=False,verbose_name="邮箱验证状态")
    default_address = models.ForeignKey('Address', related_name='users', null=True, blank=True,
                                        on_delete=models.SET_NULL, verbose_name='默认地址')
    class Meta:
        db_table = 'tb_users'
        verbose_name = '用户'
        verbose_name_plural = verbose_name

    @classmethod
    def check_verify_email_token(self,token):
        """
         验证用户token

        :param token:
        :return:
        """
        # 1. 提取token中的id与email

        try:
            tjs = TJS(settings.SECRET_KEY, 300)
            token_de = tjs.loads(token)
            print(token_de)
        except BadData:
            return None

        else:

            userid = token_de.get("user_id")
            email = token_de.get("email")

            try:
                user = User.objects.get(id=userid,email=email)
            except:
                return None
            else:
                return user





class Address(BaseModel):
    """
    用户地址
    """
    user = models.ForeignKey(User, on_delete=models.CASCADE, related_name='addresses', verbose_name='用户')
    title = models.CharField(max_length=20, verbose_name='地址名称')
    receiver = models.CharField(max_length=20, verbose_name='收货人')
    province = models.ForeignKey('areas.Area', on_delete=models.PROTECT, related_name='province_addresses', verbose_name='省')
    city = models.ForeignKey('areas.Area', on_delete=models.PROTECT, related_name='city_addresses', verbose_name='市')
    district = models.ForeignKey('areas.Area', on_delete=models.PROTECT, related_name='district_addresses', verbose_name='区')
    place = models.CharField(max_length=50, verbose_name='地址')
    mobile = models.CharField(max_length=11, verbose_name='手机')
    tel = models.CharField(max_length=20, null=True, blank=True, default='', verbose_name='固定电话')
    email = models.CharField(max_length=30, null=True, blank=True, default='', verbose_name='电子邮箱')
    is_deleted = models.BooleanField(default=False, verbose_name='逻辑删除')

    class Meta:
        db_table = 'tb_address'
        verbose_name = '用户地址'
        verbose_name_plural = verbose_name
        ordering = ['-update_time']



